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/*
This file is part of GNUnet.
Copyright (C) 2010-2015, 2018 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
*/
#if !defined (__GNUNET_UTIL_LIB_H_INSIDE__)
#error "Only <gnunet_util_lib.h> can be included directly."
#endif
/**
* @addtogroup Backbone
* @{
*
* @file network type characterization
* @author Christian Grothoff
* @author Matthias Wachs
*
* @defgroup nt Network type characterization
*
* @{
*/
#ifndef GNUNET_NT_LIB_H
#define GNUNET_NT_LIB_H
/**
* Types of networks (with separate quotas) we support.
*/
enum GNUNET_NetworkType
{
/**
* Category of last resort.
*/
GNUNET_NT_UNSPECIFIED = 0,
/**
* Loopback (same host).
*/
GNUNET_NT_LOOPBACK = 1,
/**
* Local area network.
*/
GNUNET_NT_LAN = 2,
/**
* Wide area network (i.e. Internet)
*/
GNUNET_NT_WAN = 3,
/**
* Wireless LAN (i.e. 802.11abgn)
*/
GNUNET_NT_WLAN = 4,
/**
* Bluetooth LAN
*/
GNUNET_NT_BT = 5
/**
* Number of network types supported by ATS
*/
#define GNUNET_NT_COUNT 6
};
/**
* Convert a `enum GNUNET_NetworkType` to a string
*
* @param net the network type
* @return a string or NULL if invalid
*/
const char *
GNUNET_NT_to_string (enum GNUNET_NetworkType net);
/**
* Handle for the LAN Characterization library.
*/
struct GNUNET_NT_InterfaceScanner;
/**
* Returns where the address is located: loopback, LAN or WAN.
*
* @param is handle from #GNUNET_ATS_interface_scanner_init()
* @param addr address
* @param addrlen address length
* @return type of the network the address belongs to
*/
enum GNUNET_NetworkType
GNUNET_NT_scanner_get_type (struct GNUNET_NT_InterfaceScanner *is,
const struct sockaddr *addr,
socklen_t addrlen);
/**
* Initialize the address characterization client handle.
*
* @return scanner handle, NULL on error
*/
struct GNUNET_NT_InterfaceScanner *
GNUNET_NT_scanner_init (void);
/**
* Terminate interface scanner.
*
* @param is scanner we are done with
*/
void
GNUNET_NT_scanner_done (struct GNUNET_NT_InterfaceScanner *is);
#endif
/** @} */ /* end of group */
/** @} */ /* end of group addition to backbone */
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